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International Journal of Automotive Technology > Volume 19(1); 2018 > Article
International Journal of Automotive Technology 2018;19(1): 45-54.
doi: https://doi.org/10.1007/s12239-018-0005-4
Jerzy Ejsmont, Stanislaw Taryma, Grzegorz Ronowski, Beata Swieczko-Zurek
Technical University of Gdansk
Temperature is a very important factor controlling rolling resistance of road vehicle tyres. There are at least three different temperatures that may be considered as important factors controlling thermal conditions of the rolling tyre. The most common measure of the thermal conditions during tyre rolling is ambient air temperature. The other two are: pavement temperature and “tyre” temperature. Tyre temperature is the most difficult to establish, as temperatures of different parts of rolling tyres differ considerably, thus there is a problem to obtain representative values. In the authors’ opinion, air temperature is the most universal and reliable parameter to measure. The article presents results obtained in the Technical University of Gdańsk during laboratory and road measurements of different car tyres rolling on different pavements. The knowledge of rolling resistance characteristics is important for modelling car dynamics as well as fuel consumption. It is also necessary to establish proper test conditions in the future standardized on-road method of measuring rolling resistance. The results indicate that generally each tyre and pavement combination is influenced by the air temperature in a unique way, but at the same it is possible to propose some general influence factors that may be used to normalize measurements to the standard temperature of 25 °C.
Key Words: Tyres, Rolling resistance, Temperature, Measuring standard
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